Paul Tomory
Analyst · CIBC World Markets. Your line is open
Yes. So Anita, I will probably give a really long answer here anticipating that there are quite a few questions on Round Mountain. Round Mountain if I were in your shoes, it’s actually a very difficult asset to model, because there are very many processing flow streams and I will try to provide some context on that. But I will lead with our production guidance for this year in the next 2 years, the range of impact we expect at Round Mountain is within that plus/minus 5% range. So I want to make that clear that our guidance holds for the year and for the 3-year timeframe. At Round Mountain in context, it’s a prolific mineralized system. It’s produced well over 17 million ounces in the several decades that it’s operated. And our current aspirational goal is to get that to 20 million, we see a forward pipeline that will add significant production. The other thing I characterize is Round Mountain is pretty significant historical positive reconciliation. And certainly, in the first couple of decades at Round Mountain, the grades – the actual grades were much higher than the model grades. And so we have situations where a lot of our heaps contain amounts of gold that are well in excess of previous estimates. And I have to say truth, well, we don’t even know how much gold remains in those heaps. So since we approved the Phase W study, we have actually added quite a lot of production into Round Mountain’s profile that often goes unheralded. So, for example, this year and next year, about a quarter of our production at Round Mountain actually comes from the heaps, really legacy ounces. In some cases, we are leaching a third and fourth time. We have also added since the Phase W study other mining areas. There is a part of the main pit called North Fairview, which had previously experienced geotechnical issues. We have gone back in there and we are mining it. We have got a satellite pit called Gold Hill, where we have approved a couple of extra pushbacks. So, the reason I am going into all this detail is show that Round Mountain isn’t just Phase W, there is quite a lot of sources of ore that we rely upon. For example, we also have mill stockpiles. Another example of outperformance over the last 4, 5 years around is in the initial concept of Phase W, we have to move our waste dump similar to what we are having to do now and that waste dtump was as it turns out mineralized. And so those are ounces that were in effect bonus. We ended up putting them on the heaps. So an important point of context that Round has yielded since the Phase W approval, bonus ounces from these different sources of ore and opportunity really arising from historical grades and even in situ grades being better than even what we are currently modeling. Now to your specific question on the geotech issues, we have a clay unit at depth at Round Mountain, which was – which we know about, it was considered in the Phase W study. But in hindsight, our assumptions didn’t take into account just how significant the presence of that clay layer was. So, what we are doing right now as a result of the early detection improvement is we are going to unload the room, the pit, and there is a waste dump up there. And there is going to be 20 million, 30 million tons of waste dump that need to be moved there. And in addition to that, we are going to have to make the pit wall in that area, on the north portion of the pit more shallow. We don’t quite know exactly where that will land, because we are carrying out, as you would expect, Anita, a very extensive dewatering program over and above what was contemplating the Phase W study. And we are putting in a number of geotech holes. We won’t have the results of that and we will have better idea of the water drawdown performance by September, which is why it will take us several months to work through putting more fine detail on the impact here. So what we are looking at, what we do know is that the wall angle will have to become shallower. And as a result of the sleep being tied up in incremental mining activity for this remediation, we are deferring the access to the higher grade portion of Phase W ore body, but not all production in Phase W, just a higher grade portion by 2 years. So in the Phase W study, we saw ourselves ramping up to the 400 to 450-ounce range in ‘23 and ‘24. Those high production years are now deferred to ‘25/26. We know that based on a conservative first guess of where the slopes may land. But because of the other sources of ore that I’ve described, we still expect to maintain production in the 250 to the high 200s range over the next several years at Round, while we wait for the higher grade portion Phase W. The silver lining here is that the combination of these bonus ounces in the near-term and this pit wall layback actually extends mine life at Round Mountain at a substantial production level by 2 years. And what’s made that possible is the sum total of these, what I would call bonus ounces in the near-term. In our re-optimization, this will be my final point is we are going to release the results of the Phase S study now, but obviously, the fleet will now be tied up doing other things. So, we are going to defer the release of the Phase S study for about a year and pull it into a holistic re-optimization of the entire pit. We have about 1 million ounces there at Phase S. And in addition to that, we have other opportunities at Round Mountain. So for example, we recently approved an expansion to the flotation plant there, which will add a couple of points of recovery to all gold that goes through the mill at Round Mountain. So, we intend to complete the geotech program, complete the dewatering, do the Phase S optimization, construct the floatation plant, pull-in potential incremental pushbacks at Gold Hill and come to the market with a comprehensive view on Round Mountain a year from now. So I have deliberately been more detailed in anticipation of further questions on Round Mountain. And Anita, I hope that answers your question?